/* Portal dos Miau - MiauNah | Estilos Minimalista de Luxo */

:root {
    --primary-black: #121212; /* Fundo Principal - Preto Conforto */
    --secondary-graphite: #1E1E1E; /* Superfície dos Cards */
    --accent-pearl: #FFB74D; /* Sotaque Âmbar/Olho de Gato */
    --bg-graphite: #121212; /* Fundo Principal */
    --text-pearl: #E0E0E0; /* Texto Principal */
    --secondary-text: #A0A0A0; /* Texto Secundário */
    --soft-shadow: rgba(0, 0, 0, 0.3);
    --border-radius: 8px; /* Mais minimalista */
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-pearl);
    background: var(--bg-graphite);
    min-height: 100vh;
}

/* Partículas de Energia Sutil */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1); /* Branco sutil translúcido */
    border-radius: 50%;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.7;
    }
    90% {
        opacity: 0.7;
    }
    100% {
        transform: translateY(-10vh) rotate(360deg);
        opacity: 0;
    }
}

header {
    background: var(--primary-black);
    color: var(--accent-pearl);
    padding: 1rem 0;
    box-shadow: 0 4px 6px var(--soft-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
}

.menu-toggle {
    display: none;
    background: var(--primary-black);
    color: var(--accent-pearl);
    border: 1px solid var(--accent-pearl);
    border-radius: 4px;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 1.5rem;
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--accent-pearl);
    color: var(--primary-black);
}

.nav-items {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-items li a {
    color: var(--accent-pearl);
    text-decoration: none;
    padding: 0.5rem;
    transition: var(--transition);
}

.nav-items li a:hover {
    background: var(--accent-pearl);
    color: var(--primary-black);
    border-radius: 4px;
}

.nav-items .dropdown button {
    background: none;
    border: none;
    color: var(--accent-pearl);
    text-decoration: none;
    padding: 0.5rem;
    transition: var(--transition);
    cursor: pointer;
    font-size: inherit;
}

.nav-items .dropdown button:hover {
    background: var(--accent-pearl);
    color: var(--primary-black);
    border-radius: 4px;
}

nav h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.audio-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.audio-btn {
    background: var(--primary-black);
    color: var(--accent-pearl);
    border: 1px solid var(--accent-pearl);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.audio-btn:hover {
    background: var(--accent-pearl);
    color: var(--primary-black);
}

.volume-slider {
    width: 80px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--secondary-graphite);
    height: 4px;
    border-radius: 2px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-pearl);
    cursor: pointer;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--accent-pearl);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

nav a:hover {
    background: rgba(250, 249, 246, 0.1);
    transform: translateY(-2px);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.section {
    margin-bottom: 4rem;
    padding: 2rem;
    background: var(--secondary-graphite);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px var(--soft-shadow);
    border-left: 3px solid var(--accent-pearl);
}

.section h2 {
    color: var(--accent-pearl);
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
    text-align: center;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: var(--accent-pearl);
    border-radius: 1px;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: var(--secondary-graphite);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--accent-pearl);
    transition: var(--transition);
    cursor: pointer;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px var(--soft-shadow);
    border-color: var(--accent-pearl);
}

.card h3 {
    color: var(--accent-pearl);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.card p {
    color: var(--text-pearl);
    line-height: 1.5;
}

footer {
    background: var(--primary-black);
    color: var(--accent-pearl);
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

footer p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        text-align: center;
    }

    .nav-items {
        margin-top: 1rem;
        justify-content: center;
        flex-direction: column;
        display: none;
    }

    .nav-items.active {
        display: flex;
    }

    .section {
        padding: 1rem;
    }

    .section h2 {
        font-size: 2rem;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }
}

/* Animações biocêntricas */
@keyframes grow {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.section {
    animation: grow 0.6s ease-out;
}

/* Estilos para interatividade */
.card.expanded {
    grid-column: 1 / -1;
}

.card.expanded .expandable-content {
    display: block;
}

.expandable-content {
    display: none;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--accent-pearl);
    color: var(--secondary-text);
}

/* Tema escuro opcional - Mantido para flexibilidade */
.dark-theme {
    --primary-black: #0A0A0A;
    --secondary-graphite: #1A1A1A;
    --accent-pearl: #E0E0E0;
    --bg-graphite: #000000;
    --text-pearl: #E0E0E0;
}

.dark-theme body {
    background: var(--bg-graphite);
    color: var(--text-pearl);
}

.dark-theme .card {
    background: var(--primary-black);
    color: var(--text-pearl);
}

.dark-theme .section {
    background: var(--secondary-graphite);
    border-left-color: var(--accent-pearl);
}

/* Acessibilidade */
.accessibility-btn {
    background: var(--accent-pearl);
    color: var(--primary-black);
    border: none;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    margin-left: 10px;
    transition: var(--transition);
}

.accessibility-btn:hover {
    background: #FFA726;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--secondary-graphite);
    padding: 20px;
    border-radius: var(--border-radius);
    max-width: 400px;
    width: 90%;
    text-align: center;
}

.modal-content h3 {
    margin-bottom: 15px;
    color: var(--accent-pearl);
}

.modal-content button {
    display: block;
    width: 100%;
    margin: 5px 0;
    padding: 10px;
    background: var(--accent-pearl);
    color: var(--primary-black);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.modal-content button:hover {
    background: #FFA726;
}

.high-contrast {
    --bg-graphite: #000000;
    --secondary-graphite: #000000;
    --text-pearl: #FFFFFF;
    --secondary-text: #FFFFFF;
    --accent-pearl: #FFFF00;
}

.high-contrast body {
    background: var(--bg-graphite);
    color: var(--text-pearl);
}

/* Responsividade Mobile */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .audio-controls {
        order: 2;
        width: 100%;
        justify-content: center;
        margin: 0.5rem 0;
    }

    .accessibility-btn {
        order: 3;
        align-self: center;
    }

    .menu-toggle {
        display: block;
        order: 4;
        align-self: flex-end;
        margin-bottom: 0.5rem;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--primary-black);
        position: absolute;
        top: 100%;
        left: 0;
        z-index: 101;
        box-shadow: 0 4px 6px var(--soft-shadow);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu li a {
        display: block;
        width: 100%;
        padding: 1rem;
        border-bottom: 1px solid var(--secondary-graphite);
    }

    .nav-menu li a:hover {
        background: var(--secondary-graphite);
    }
}

.high-contrast .card {
    background: var(--secondary-graphite);
    color: var(--text-pearl);
    border: 1px solid #FFFFFF;
}

/* Controles de Áudio */
.audio-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.audio-btn {
    background: var(--secondary-graphite);
    color: var(--text-pearl);
    border: 1px solid var(--accent-pearl);
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.audio-btn:hover {
    background: var(--accent-pearl);
    color: var(--primary-black);
}

.audio-btn.playing {
    background: var(--accent-pearl);
    color: var(--primary-black);
    box-shadow: 0 0 10px var(--accent-pearl);
}

.volume-slider {
    width: 100px;
}

/* Submenus */
.dropdown {
    position: relative;
}

.submenu {
    display: none;
    position: fixed;
    top: 70px;
    background: var(--secondary-graphite);
    border: 1px solid var(--accent-pearl);
    border-radius: var(--border-radius);
    min-width: 200px;
    z-index: 1000;
    box-shadow: 0 4px 6px var(--soft-shadow);
    flex-direction: column;
}

.dropdown:hover .submenu {
    display: flex;
}

.submenu li {
    border-bottom: 1px solid rgba(255, 183, 77, 0.2);
}

.submenu li:last-child {
    border-bottom: none;
}

.submenu li a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-pearl);
    text-decoration: none;
    transition: var(--transition);
}

.submenu li a:hover {
    background: var(--accent-pearl);
    color: var(--primary-black);
}

/* Mobile submenu */
.submenu.active {
    display: flex;
    position: static;
    box-shadow: none;
    border: none;
    background: var(--primary-black);
}